PBDB Collection

Hills Gulch Bed, Hills Gulch, Jaycox Member, Genesee Co., NY (Devonian of the United States)

Where: Genesee County, New York (43.0° N, 78.1° W: paleocoordinates 36.5° S, 25.6° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Jaycox Member (Ludlowville Formation), Givetian (387.7 - 382.7 Ma)

Environment/lithology: deep subtidal ramp; gray, silty limestone

• silty limestone

Collection methods: surface (in situ),

Primary reference: S. M. Mayer. 1989. Stratigraphy and Paleontology of the Jaycox Shale Member, Hamilton Group of the Finger Lakes Region of New York State. 1-121 [A. Miller/K. Layou/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 8982: authorized by Arnold Miller, entered by Karen Layou on 14.09.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Blotherophyllum sp., Paleozygopleura delphicola, Straparolis sp., Spirobis sp. Blotherophyllum sp. Paleozygopleura delphicola Straparolis sp. Spirobis sp.
Crinoidea
-	Crinoidea indet. Crinoidea indet. Miller 1821 Sea lily crinoid stems
Strophomenata
Strophomenida -	"Chonetacea indet." = Chonetoidea "Chonetacea indet." = Chonetoidea Bronn 1862
Strophomenida - Strophodontidae	Pholidostrophia nacrea Pholidostrophia nacrea
Strophomenida - Douvillinidae	Douvillina ineuistriata Douvillina ineuistriata
Strophomenida - Leptostrophiidae	Protoleptostrophia perplana Protoleptostrophia perplana Conrad 1839
Rhynchonellata
Spiriferida - Mucrospiriferidae	Mucrospirifer mucronatus Mucrospirifer mucronatus Conrad 1841
Spiriferida - Spinocyrtiidae	Mediospirifer audaculus Mediospirifer audaculus Conrad 1842
Athyridida - Meristellidae	Meristella haskinsi Meristella haskinsi Hall 1860
Athyridida - Athyrididae	Athyris spiriferoides Athyris spiriferoides Eaton 1831
Athyridida - Rhynchospirinidae	Trematospira gibbosa Trematospira gibbosa
Orthida - Rhipidomellidae	Rhipidomella sp. Rhipidomella sp.
Bryozoa
-	Bryozoa indet. Bryozoa indet. Ehrenberg 1831 fenestrates
Stenolaemata
Cryptostomata - Rhinidictyidae	Stictopora sp. Stictopora sp. Hall 1847
Cephalopoda
Barrandeocerida - Nephriticeratidae	Nephriticeras sp. Nephriticeras sp. Hyatt 1884
Orthocerida - Orthoceratidae	Michelinoceras ? sp. Michelinoceras ? sp. Foerste 1932 nautiloid
Gastropoda
Murchisoniina - Gosseletinidae	Mourlonia sp. Mourlonia sp. de Koninck 1883 snail
Euomphalina - Platyceratidae	Platyceras sp. Platyceras sp. Conrad 1840 snail
Bivalvia
Nuculanida - Malletiidae	Palaeoneilo fecunda Palaeoneilo fecunda Hall 1862 clam [entered as Paleoneilo fecunda]
Myalinida - Ambonychiidae	"Plethomytilus oviformis" = Mytilarca (Plethomytilus) oviformis "Plethomytilus oviformis" = Mytilarca (Plethomytilus) oviformis Conrad 1842 clam
Pectinida - Aviculopectinidae	Aviculopecten sp. Aviculopecten sp. M'Coy 1851 scallop
Pectinida - Pterinopectinidae	Pseudaviculopecten princeps Pseudaviculopecten princeps scallop
Ostreida - Pterineidae	Actinopteria decussata Actinopteria decussata oyster
Modiomorphida - Modiomorphidae	Modiomorpha concentrica, Goniophora sp. Modiomorpha concentrica Conrad 1838 clam Goniophora sp. Phillips 1848 clam
Trilobita
Phacopida - Phacopidae	"Phacops rana" = Eldredgeops rana "Phacops rana" = Eldredgeops rana Green 1832 trilobite
Anthozoa
Stauriida - Zaphrentidae	Heliophyllum halli Heliophyllum halli Edwards and Haime 1851 horn coral
Stauriida - Stereolasmatidae	Stereolasma rectum Stereolasma rectum Hall 1843 horn coral
Favositida - Favositidae	Favosites hamiltoniae, Favosites argus Favosites hamiltoniae tabulate coral Favosites argus Hall 1876 tabulate coral